Home / 122,142,657.90-183,213,870.20-31,266,101.10

Finding the Fourth Proportional to 122,142,657.90, 183,213,870.20 and 31,266,101.10

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Solution

The fourth proportional to 122,142,657.90, 183,213,870.20 and 31,266,101.10 is: 46,899,121.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,142,657.90 : 183,213,870.20 = 31,266,101.10 : x
  2. Step 2: Convert to fraction form
    122,142,657.90/183,213,870.20 = 31,266,101.10/x
  3. Step 3: Cross multiply
    122,142,657.90x = 183,213,870.20 × 31,266,101.10
  4. Step 4: Simplify right side
    122,142,657.90x = 5,728,383,388,595,477
  5. Step 5: Solve for x
    x = 5,728,383,388,595,477/122,142,657.90
  6. Step 6: Final answer
    x = 46,899,121.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.